﻿using System;
using System.Text;
using System.Data;
using System.Data.OleDb;
using System.Collections.Generic;
using System.Reflection;
namespace Data
{
	 	//Product
		public class Product
	{	
		/// <summary>
        /// 主键
        /// </summary>
        private readonly string primaryKey= "Id";
		/// <summary>
        /// 添加
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public long Add(Model.Product model)
        {
            return new DataAccess().Add<Model.Product>(model, primaryKey);
        }
        /// <summary>
        /// 修改
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public int Update(Model.Product model)
        {
            return new DataAccess().Update<Model.Product>(model, primaryKey);
        }
        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        public bool Delete(long Id)
        {
            return new DataAccess().Delete<Model.Product>(Id, primaryKey);
        }
        /// <summary>
        /// 单条
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        public Model.Product GetModel(long Id)
        {
            return new DataAccess().Get<Model.Product>(Id, primaryKey);
        }
        public Model.Product GetModelByCid(string cId)
        {
            return new DataAccess().Get_SetStringVarCol<Model.Product>(cId, "CId");
        }
        public Model.Product GetModelByProductid(long Productid)
        {
            return new DataAccess().Get<Model.Product>(Productid, "Id");
        }
        public Model.Product GetModelBysql(string sql)
        {
            return new DataAccess().Get<Model.Product>(sql);
        }
        /// <summary>
        /// 总数据数
        /// </summary>
        /// <returns></returns>
        public int GetAll_Count()
        {
            return new DataAccess().GetCount<Model.Product>(primaryKey);
        }
        /// <summary>
        /// 抽取分页数据
        /// </summary>
        public List<Model.Product> GetPageList_Where(int PageIndex, int PageSize, out int totalCount)
        {          
            totalCount = new DataAccess().GetCount<Model.Product>(primaryKey, "");
            return new DataAccess().GetPage_List<Model.Product>(PageIndex, PageSize, primaryKey, primaryKey+" asc", "");
        }
        public DataTable GetPageDT_Where(int PageIndex, int PageSize, long newsclassid, out int totalCount)
        {
            string strWhere = GetSqlWhere(newsclassid);
            totalCount = new DataAccess().GetCount<Model.Product>(primaryKey, strWhere);
            return ConvertHelper<Model.Product>.ConvertToDT(new DataAccess().GetPage_List<Model.Product>(PageIndex, PageSize, primaryKey, " Sortid asc", strWhere));
        }
        public DataTable GetPageWhereCanyuUser(int PageIndex, int PageSize, string strWhere, out int totalCount)
        { 
            totalCount = new DataAccess().GetCount<Model.Product>(primaryKey, strWhere);
            return ConvertHelper<Model.Product>.ConvertToDT(new DataAccess().GetPage_List<Model.Product>(PageIndex, PageSize, primaryKey, " CanyuUser DESC", strWhere));
        }
        /// <summary>
        /// 拼接条件
        /// </summary>
        public string GetSqlWhere(long newsclassid)
        {
            StringBuilder sqlWhere = new StringBuilder();

            sqlWhere.Append(" 1>0");

            if (newsclassid>0)
            {
                sqlWhere.Append(" and CId =" + newsclassid);
            }         
            return sqlWhere.ToString();
        }
        /// <summary>
        /// 批删
        /// </summary>
        /// <param name="Ids"></param>
        /// <returns></returns>
        public int Drop(string Ids)
        {
            return new DataAccess().Drop<Model.Product>(Ids, primaryKey);
        }
	}
}